Control knob



FIG. 1 is a first perspective view of the control knob showing a first embodiment of my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a back elevation thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a cross-sectional plan view at section line 9-9 in FIG. 5;

FIG. 10 is a cut-away perspective view of FIG. 9;

FIG. 11 is a first perspective view of the control knob showing another embodiment of my new design;

FIG. 12 is a second perspective view thereof;

FIG. 13 is a front elevation thereof;

FIG. 14 is a back elevation thereof;

FIG. 15 is a left side elevation view thereof;

FIG. 16 is a right side elevation view thereof;

FIG. 17 is a top plan view thereof;

FIG. 18 is a bottom plan view thereof;

FIG. 19 is a cross-sectional plan view at section line 19-19 in FIG. 16; and,

FIG. 20 is a cut away perspective view of FIG. 19.

The broken lines in FIGS. 5-8, 10-13, and 15-18 are for illustrative purposes only, depicting the environment of the new design, forming no part thereof as claimed.

The dot-dash lines in FIG. 4 and FIG. 14 indicates the back of the control knob is not being claimed.

The second embodiment is illustrated with portion in grey shade to indicate a contrasting surface appearance; no claim is made to a specific color. 

CLAIM The ornamental design for a control knob, as shown and described. 